Modify the "cls_model_dir" to "cls_model_path" and "cls_params_path" (#411)

* Modify the "cls_model_dir" to "cls_model_path" and "cls_params_path"

deploy/cpp_infer/include/cls.h

@@ -36,7 +36,8 @@ namespace PaddleClas {
 
 class Classifier {
 public:
-  explicit Classifier(const std::string &model_dir, const bool &use_gpu,
+  explicit Classifier(const std::string &model_path,
+                      const std::string &params_path, const bool &use_gpu,
                       const int &gpu_id, const int &gpu_mem,
                       const int &cpu_math_library_num_threads,
                       const bool &use_mkldnn, const int &resize_short_size,
@@ -50,11 +51,11 @@ public:
     this->resize_short_size_ = resize_short_size;
     this->crop_size_ = crop_size;
 
-    LoadModel(model_dir);
+    LoadModel(model_path, params_path);
   }
 
   // Load Paddle inference model
-  void LoadModel(const std::string &model_dir);
+  void LoadModel(const std::string &model_path, const std::string &params_path);
 
   // Run predictor
   void Run(cv::Mat &img);

deploy/cpp_infer/include/cls_config.h

@@ -41,7 +41,9 @@ public:
 
     this->use_mkldnn = bool(stoi(config_map_["use_mkldnn"]));
 
-    this->cls_model_dir.assign(config_map_["cls_model_dir"]);
+    this->cls_model_path.assign(config_map_["cls_model_path"]);
+
+    this->cls_params_path.assign(config_map_["cls_params_path"]);
 
     this->resize_short_size = stoi(config_map_["resize_short_size"]);
 
@@ -58,7 +60,9 @@ public:
 
   bool use_mkldnn = false;
 
-  std::string cls_model_dir;
+  std::string cls_model_path;
+
+  std::string cls_params_path;
 
   int resize_short_size = 256;
   int crop_size = 224;

deploy/cpp_infer/readme.md

@@ -120,13 +120,13 @@ build/fluid_inference_install_dir/
 
 #### 1.2.2 直接下载安装
 
-* [Paddle预测库官网](https://www.paddlepaddle.org.cn/documentation/docs/zh/advanced_guide/inference_deployment/inference/build_and_install_lib_cn.html)上提供了不同cuda版本的Linux预测库，可以在官网查看并选择合适的预测库版本。
+* [Paddle预测库官网](https://www.paddlepaddle.org.cn/documentation/docs/zh/advanced_guide/inference_deployment/inference/build_and_install_lib_cn.html)上提供了不同cuda版本的Linux预测库，可以在官网查看并选择合适的预测库版本，注意必须选择`develop`版本。
 
-  以`ubuntu14.04_cuda9.0_cudnn7_avx_mkl`的`1.8.4`版本为例，使用下述命令下载并解压：
+  以`ubuntu14.04_cuda9.0_cudnn7_avx_mkl`的`develop`版本为例，使用下述命令下载并解压：
 
 
 ```shell
-wget https://paddle-inference-lib.bj.bcebos.com/1.8.4-gpu-cuda9-cudnn7-avx-mkl/fluid_inference.tgz
+wget https://paddle-inference-lib.bj.bcebos.com/latest-gpu-cuda9-cudnn7-avx-mkl/fluid_inference.tgz
 
 tar -xvf fluid_inference.tgz
 ```
@@ -143,11 +143,10 @@ tar -xvf fluid_inference.tgz
 
 ```
 inference/
-|--model
-|--params
+|--cls_infer.pdmodel
+|--cls_infer.pdiparams
 ```
-**注意**：上述文件中，`model`文件存储了模型结构信息，`params`文件存储了模型参数信息。因此，在使用模型导出时，需将导出的`cls_infer.pdmodel`文件重命名为`model`，`cls_infer.pdiparams`文件重命名为`params`。
-
+**注意**：上述文件中，`cls_infer.pdmodel`文件存储了模型结构信息，`cls_infer.pdiparams`文件存储了模型参数信息。注意两个文件的路径需要与配置文件`tools/config.txt`中的`cls_model_path`和`cls_params_path`参数对应一致。
 
 ### 2.2 编译PaddleClas C++预测demo
 

deploy/cpp_infer/readme_en.md

@@ -131,6 +131,7 @@ Among them, `paddle` is the Paddle library required for C++ prediction later, an
 * Different cuda versions of the Linux inference library (based on GCC 4.8.2) are provided on the
 [Paddle Inference Library official website](https://www.paddlepaddle.org.cn/documentation/docs/en/advanced_guide/inference_deployment/inference/build_and_install_lib_en.html). You can view and select the appropriate version of the inference library on the official website.
 
+* Please select the `develop` version.
 
 * After downloading, use the following method to uncompress.
 
@@ -149,11 +150,11 @@ Finally you can see the following files in the folder of `fluid_inference/`.
 
 ```
 inference/
-|--model
-|--params
+|--cls_infer.pdmodel
+|--cls_infer.pdiparams
 ```
 
-**NOTICE**: Among them, `model` file stores the model structure information and the `params` file stores the model parameter information.Therefore, you could rename the files name exported by [Model inference](../../tools/export_model.py).
+**NOTICE**: Among them, `cls_infer.pdmodel` file stores the model structure information and the `cls_infer.pdiparams` file stores the model parameter information.The paths of the two files need to correspond to the parameters of `cls_model_path` and `cls_params_path` in the configuration file `tools/config.txt`.
 
 ### 2.2 Compile PaddleClas C++ inference demo
 

deploy/cpp_infer/src/cls.cpp

@@ -16,9 +16,10 @@
 
 namespace PaddleClas {
 
-void Classifier::LoadModel(const std::string &model_dir) {
+void Classifier::LoadModel(const std::string &model_path,
+                           const std::string &params_path) {
   paddle_infer::Config config;
-  config.SetModel(model_dir + "/model", model_dir + "/params");
+  config.SetModel(model_path, params_path);
 
   if (this->use_gpu_) {
     config.EnableUseGpu(this->gpu_mem_, this->gpu_id_);

deploy/cpp_infer/src/main.cpp

@@ -59,10 +59,10 @@ int main(int argc, char **argv) {
 
   std::cout << "img_file_list length: " << img_files_list.size() << std::endl;
 
-  Classifier classifier(config.cls_model_dir, config.use_gpu, config.gpu_id,
-                        config.gpu_mem, config.cpu_math_library_num_threads,
-                        config.use_mkldnn, config.resize_short_size,
-                        config.crop_size);
+  Classifier classifier(config.cls_model_path, config.cls_params_path,
+                        config.use_gpu, config.gpu_id, config.gpu_mem,
+                        config.cpu_math_library_num_threads, config.use_mkldnn,
+                        config.resize_short_size, config.crop_size);
 
   double elapsed_time = 0.0;
   int warmup_iter = img_files_list.size() > 5 ? 5 : 0;

deploy/cpp_infer/tools/build.sh

-OPENCV_DIR=/PaddleClas/PaddleOCR/opencv-3.4.7/opencv3/
-LIB_DIR=/PaddleClas/PaddleOCR/fluid_inference/
+OPENCV_DIR=/PaddleClas/opencv-3.4.7/opencv3/
+LIB_DIR=/PaddleClas/fluid_inference/
 CUDA_LIB_DIR=/usr/local/cuda/lib64
 CUDNN_LIB_DIR=/usr/lib/x86_64-linux-gnu/
 

deploy/cpp_infer/tools/config.txt

@@ -6,6 +6,7 @@ cpu_math_library_num_threads  10
 use_mkldnn 1
 
 # cls config
-cls_model_dir  ./inference/
+cls_model_path  /PaddleClas/inference/cls_infer.pdmodel
+cls_params_path /PaddleClas/inference/cls_infer.pdiparams
 resize_short_size 256
 crop_size 224

deploy/cpp_infer/tools/run.sh

-
 ./build/clas_system ./tools/config.txt ./docs/imgs/ILSVRC2012_val_00000666.JPEG